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From: Gary Clark II <gclarkii@main.gbdata.com>
Message-Id: <199512241001.EAA09071@main.gbdata.com>
Subject: Re: Pentium bcopy 486DX-66 results
To: davidg@Root.COM
Date: Sun, 24 Dec 1995 04:01:26 -0600 (CST)
Cc: gclarkii@freebsd.org, freebsd-hackers@freebsd.org
Reply-To: gclarkii@freebsd.org
In-Reply-To: <199512240627.WAA00623@corbin.Root.COM> from "David Greenman" at Dec 23, 95 10:27:16 pm
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David Greenman wrote:
> 
> >Here are my results on a 486DX4-100 8 meg in X not sure about cache.
> >
> >gcc -m486 -O2 -o testcopy testing.c copy.o
> >main:gclarkii# time testcopy
> >copy 10232
> >bcopy 2403
> >memcpy 9315
> >21.9u 0.0s 0:22.08 99.5% 5+183k 1+0io 0pf+0w
> >
> >My sources are using 1024 for SIZE and I just change copy for bcopy for the
> >bcopy stats.  It looks like copy is a big loss for me...:(
> 
>    "copy" takes it's size in longwords and bcopy takes it in bytes. Did you
> multiply the size times sizeof(int)?
> 
Nope... Time for the hat.... where did it go... Oh, yeah, I need to order
on for myself..:)

> -DG
> 
> 

Gary 

Gary Clark II
gclarkii@FreeBSD.ORG